<span>Joe is suffered by type of sleeping disorder called Sleeping Maintenance Insomnia. It is mainly caused by the light from [electronic device] screens can alert the brain and make it harder to fall asleep.</span>
Answer:
the top one is state court
Answer:
push down curriculum
Explanation:
Over the past few decades, observers say, preschool classes and kindergartens have begun to look more like traditional 1st grade classes: young children are expected to sit quietly while they listen to whole-class instruction or fill in worksheets. Concurrently, teachers have been expecting their pupils to know more and more when they first enter their classrooms.
Experts cite many reasons for this trend. The urge to catch up with the Russians after the launching of Sputnik led to “young children doing oodles of sit-still, pencil-and-paper work”—a type of schoolwork inappropriate for 5- to 7-year-olds, says Jim Uphoff, a professor of education at Wright State University in Dayton, Ohio. (Today, the urge to compete with Japan yields the same result, experts say.) Another cause of the pushed-down curriculum is the widespread—yet incorrect—notion that one can teach children anything, at any age, if the content is presented in the right way, says David Elkind, a professor of child study at Tufts University.
Microvilli are the tiny projections in the cell lining the villi. It increases the surface area of absorption thereby increasing absorption.
Microvilli on the surface of epithelial cells such as those lining the intestine increase the cell’s surface area and thus facilitate the absorption of ingested food and water molecules. Microvilli are also sometimes called the intestinal brush border.
The combination of circular folds, villi and microvilli helps absorption by increasing the surface area of the small intestine by 30 to 600 times.
<h3>
Where the Brush border of small intestine cells is formed ?</h3>
The innermost layer lining the lumen of the alimentary canal is the mucosa. This layer forms irregular folds (rugae) in the stomach and small finger-like folding called villi in the small intestine.
The cells lining the villi produce numerous microscopic projections called microvilli giving a brush border appearance found on the apical surface of some epithelial cells. These modifications increase the surface area enormously and help in secretion and absorption.
Microvilli are covered in the plasma membrane, which encloses cytoplasm and microfilaments. Though these are cellular extensions, there are little or no cellular organelles present in the microvilli. Hence, the brush border of small intestine cells is formed of microvilli.
Learn more about Microvilli on:
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